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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2011, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * ----------------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * CompassPlot.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * ----------------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2002-2008, by the Australian Antarctic Division and<a name="line.30"></a>
<span class="sourceLineNo">031</span> * Contributors.<a name="line.31"></a>
<span class="sourceLineNo">032</span> *<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Original Author:  Bryan Scott (for the Australian Antarctic Division);<a name="line.33"></a>
<span class="sourceLineNo">034</span> * Contributor(s):   David Gilbert (for Object Refinery Limited);<a name="line.34"></a>
<span class="sourceLineNo">035</span> *                   Arnaud Lelievre;<a name="line.35"></a>
<span class="sourceLineNo">036</span> *                   Martin Hoeller;<a name="line.36"></a>
<span class="sourceLineNo">037</span> *<a name="line.37"></a>
<span class="sourceLineNo">038</span> * Changes:<a name="line.38"></a>
<span class="sourceLineNo">039</span> * --------<a name="line.39"></a>
<span class="sourceLineNo">040</span> * 25-Sep-2002 : Version 1, contributed by Bryan Scott (DG);<a name="line.40"></a>
<span class="sourceLineNo">041</span> * 23-Jan-2003 : Removed one constructor (DG);<a name="line.41"></a>
<span class="sourceLineNo">042</span> * 26-Mar-2003 : Implemented Serializable (DG);<a name="line.42"></a>
<span class="sourceLineNo">043</span> * 27-Mar-2003 : Changed MeterDataset to ValueDataset (DG);<a name="line.43"></a>
<span class="sourceLineNo">044</span> * 21-Aug-2003 : Implemented Cloneable (DG);<a name="line.44"></a>
<span class="sourceLineNo">045</span> * 08-Sep-2003 : Added internationalization via use of properties<a name="line.45"></a>
<span class="sourceLineNo">046</span> *               resourceBundle (RFE 690236) (AL);<a name="line.46"></a>
<span class="sourceLineNo">047</span> * 09-Sep-2003 : Changed Color --&gt; Paint (DG);<a name="line.47"></a>
<span class="sourceLineNo">048</span> * 15-Sep-2003 : Added null data value check (bug report 805009) (DG);<a name="line.48"></a>
<span class="sourceLineNo">049</span> * 16-Sep-2003 : Changed ChartRenderingInfo --&gt; PlotRenderingInfo (DG);<a name="line.49"></a>
<span class="sourceLineNo">050</span> * 16-Mar-2004 : Added support for revolutionDistance to enable support for<a name="line.50"></a>
<span class="sourceLineNo">051</span> *               other units than degrees.<a name="line.51"></a>
<span class="sourceLineNo">052</span> * 16-Mar-2004 : Enabled LongNeedle to rotate about center.<a name="line.52"></a>
<span class="sourceLineNo">053</span> * 11-Jan-2005 : Removed deprecated code in preparation for 1.0.0 release (DG);<a name="line.53"></a>
<span class="sourceLineNo">054</span> * 17-Apr-2005 : Fixed bug in clone() method (DG);<a name="line.54"></a>
<span class="sourceLineNo">055</span> * 05-May-2005 : Updated draw() method parameters (DG);<a name="line.55"></a>
<span class="sourceLineNo">056</span> * 08-Jun-2005 : Fixed equals() method to handle GradientPaint (DG);<a name="line.56"></a>
<span class="sourceLineNo">057</span> * 16-Jun-2005 : Renamed getData() --&gt; getDatasets() and<a name="line.57"></a>
<span class="sourceLineNo">058</span> *               addData() --&gt; addDataset() (DG);<a name="line.58"></a>
<span class="sourceLineNo">059</span> * ------------- JFREECHART 1.0.x ---------------------------------------------<a name="line.59"></a>
<span class="sourceLineNo">060</span> * 20-Mar-2007 : Fixed serialization (DG);<a name="line.60"></a>
<span class="sourceLineNo">061</span> * 18-Dec-2008 : Use ResourceBundleWrapper - see patch 1607918 by<a name="line.61"></a>
<span class="sourceLineNo">062</span> *               Jess Thrysoee (DG);<a name="line.62"></a>
<span class="sourceLineNo">063</span> * 10-Oct-2011 : localization fix: bug #3353913 (MH);<a name="line.63"></a>
<span class="sourceLineNo">064</span> *<a name="line.64"></a>
<span class="sourceLineNo">065</span> */<a name="line.65"></a>
<span class="sourceLineNo">066</span><a name="line.66"></a>
<span class="sourceLineNo">067</span>package org.jfree.chart.plot;<a name="line.67"></a>
<span class="sourceLineNo">068</span><a name="line.68"></a>
<span class="sourceLineNo">069</span>import java.awt.BasicStroke;<a name="line.69"></a>
<span class="sourceLineNo">070</span>import java.awt.Color;<a name="line.70"></a>
<span class="sourceLineNo">071</span>import java.awt.Font;<a name="line.71"></a>
<span class="sourceLineNo">072</span>import java.awt.Graphics2D;<a name="line.72"></a>
<span class="sourceLineNo">073</span>import java.awt.Paint;<a name="line.73"></a>
<span class="sourceLineNo">074</span>import java.awt.Polygon;<a name="line.74"></a>
<span class="sourceLineNo">075</span>import java.awt.Stroke;<a name="line.75"></a>
<span class="sourceLineNo">076</span>import java.awt.geom.Area;<a name="line.76"></a>
<span class="sourceLineNo">077</span>import java.awt.geom.Ellipse2D;<a name="line.77"></a>
<span class="sourceLineNo">078</span>import java.awt.geom.Point2D;<a name="line.78"></a>
<span class="sourceLineNo">079</span>import java.awt.geom.Rectangle2D;<a name="line.79"></a>
<span class="sourceLineNo">080</span>import java.io.IOException;<a name="line.80"></a>
<span class="sourceLineNo">081</span>import java.io.ObjectInputStream;<a name="line.81"></a>
<span class="sourceLineNo">082</span>import java.io.ObjectOutputStream;<a name="line.82"></a>
<span class="sourceLineNo">083</span>import java.io.Serializable;<a name="line.83"></a>
<span class="sourceLineNo">084</span>import java.util.Arrays;<a name="line.84"></a>
<span class="sourceLineNo">085</span>import java.util.ResourceBundle;<a name="line.85"></a>
<span class="sourceLineNo">086</span><a name="line.86"></a>
<span class="sourceLineNo">087</span>import org.jfree.chart.LegendItemCollection;<a name="line.87"></a>
<span class="sourceLineNo">088</span>import org.jfree.chart.event.PlotChangeEvent;<a name="line.88"></a>
<span class="sourceLineNo">089</span>import org.jfree.chart.needle.ArrowNeedle;<a name="line.89"></a>
<span class="sourceLineNo">090</span>import org.jfree.chart.needle.LineNeedle;<a name="line.90"></a>
<span class="sourceLineNo">091</span>import org.jfree.chart.needle.LongNeedle;<a name="line.91"></a>
<span class="sourceLineNo">092</span>import org.jfree.chart.needle.MeterNeedle;<a name="line.92"></a>
<span class="sourceLineNo">093</span>import org.jfree.chart.needle.MiddlePinNeedle;<a name="line.93"></a>
<span class="sourceLineNo">094</span>import org.jfree.chart.needle.PinNeedle;<a name="line.94"></a>
<span class="sourceLineNo">095</span>import org.jfree.chart.needle.PlumNeedle;<a name="line.95"></a>
<span class="sourceLineNo">096</span>import org.jfree.chart.needle.PointerNeedle;<a name="line.96"></a>
<span class="sourceLineNo">097</span>import org.jfree.chart.needle.ShipNeedle;<a name="line.97"></a>
<span class="sourceLineNo">098</span>import org.jfree.chart.needle.WindNeedle;<a name="line.98"></a>
<span class="sourceLineNo">099</span>import org.jfree.chart.util.ResourceBundleWrapper;<a name="line.99"></a>
<span class="sourceLineNo">100</span>import org.jfree.data.general.DefaultValueDataset;<a name="line.100"></a>
<span class="sourceLineNo">101</span>import org.jfree.data.general.ValueDataset;<a name="line.101"></a>
<span class="sourceLineNo">102</span>import org.jfree.io.SerialUtilities;<a name="line.102"></a>
<span class="sourceLineNo">103</span>import org.jfree.ui.RectangleInsets;<a name="line.103"></a>
<span class="sourceLineNo">104</span>import org.jfree.util.ObjectUtilities;<a name="line.104"></a>
<span class="sourceLineNo">105</span>import org.jfree.util.PaintUtilities;<a name="line.105"></a>
<span class="sourceLineNo">106</span><a name="line.106"></a>
<span class="sourceLineNo">107</span>/**<a name="line.107"></a>
<span class="sourceLineNo">108</span> * A specialised plot that draws a compass to indicate a direction based on the<a name="line.108"></a>
<span class="sourceLineNo">109</span> * value from a {@link ValueDataset}.<a name="line.109"></a>
<span class="sourceLineNo">110</span> */<a name="line.110"></a>
<span class="sourceLineNo">111</span>public class CompassPlot extends Plot implements Cloneable, Serializable {<a name="line.111"></a>
<span class="sourceLineNo">112</span><a name="line.112"></a>
<span class="sourceLineNo">113</span>    /** For serialization. */<a name="line.113"></a>
<span class="sourceLineNo">114</span>    private static final long serialVersionUID = 6924382802125527395L;<a name="line.114"></a>
<span class="sourceLineNo">115</span><a name="line.115"></a>
<span class="sourceLineNo">116</span>    /** The default label font. */<a name="line.116"></a>
<span class="sourceLineNo">117</span>    public static final Font DEFAULT_LABEL_FONT = new Font("SansSerif",<a name="line.117"></a>
<span class="sourceLineNo">118</span>            Font.BOLD, 10);<a name="line.118"></a>
<span class="sourceLineNo">119</span><a name="line.119"></a>
<span class="sourceLineNo">120</span>    /** A constant for the label type. */<a name="line.120"></a>
<span class="sourceLineNo">121</span>    public static final int NO_LABELS = 0;<a name="line.121"></a>
<span class="sourceLineNo">122</span><a name="line.122"></a>
<span class="sourceLineNo">123</span>    /** A constant for the label type. */<a name="line.123"></a>
<span class="sourceLineNo">124</span>    public static final int VALUE_LABELS = 1;<a name="line.124"></a>
<span class="sourceLineNo">125</span><a name="line.125"></a>
<span class="sourceLineNo">126</span>    /** The label type (NO_LABELS, VALUE_LABELS). */<a name="line.126"></a>
<span class="sourceLineNo">127</span>    private int labelType;<a name="line.127"></a>
<span class="sourceLineNo">128</span><a name="line.128"></a>
<span class="sourceLineNo">129</span>    /** The label font. */<a name="line.129"></a>
<span class="sourceLineNo">130</span>    private Font labelFont;<a name="line.130"></a>
<span class="sourceLineNo">131</span><a name="line.131"></a>
<span class="sourceLineNo">132</span>    /** A flag that controls whether or not a border is drawn. */<a name="line.132"></a>
<span class="sourceLineNo">133</span>    private boolean drawBorder = false;<a name="line.133"></a>
<span class="sourceLineNo">134</span><a name="line.134"></a>
<span class="sourceLineNo">135</span>    /** The rose highlight paint. */<a name="line.135"></a>
<span class="sourceLineNo">136</span>    private transient Paint roseHighlightPaint = Color.black;<a name="line.136"></a>
<span class="sourceLineNo">137</span><a name="line.137"></a>
<span class="sourceLineNo">138</span>    /** The rose paint. */<a name="line.138"></a>
<span class="sourceLineNo">139</span>    private transient Paint rosePaint = Color.yellow;<a name="line.139"></a>
<span class="sourceLineNo">140</span><a name="line.140"></a>
<span class="sourceLineNo">141</span>    /** The rose center paint. */<a name="line.141"></a>
<span class="sourceLineNo">142</span>    private transient Paint roseCenterPaint = Color.white;<a name="line.142"></a>
<span class="sourceLineNo">143</span><a name="line.143"></a>
<span class="sourceLineNo">144</span>    /** The compass font. */<a name="line.144"></a>
<span class="sourceLineNo">145</span>    private Font compassFont = new Font("Arial", Font.PLAIN, 10);<a name="line.145"></a>
<span class="sourceLineNo">146</span><a name="line.146"></a>
<span class="sourceLineNo">147</span>    /** A working shape. */<a name="line.147"></a>
<span class="sourceLineNo">148</span>    private transient Ellipse2D circle1;<a name="line.148"></a>
<span class="sourceLineNo">149</span><a name="line.149"></a>
<span class="sourceLineNo">150</span>    /** A working shape. */<a name="line.150"></a>
<span class="sourceLineNo">151</span>    private transient Ellipse2D circle2;<a name="line.151"></a>
<span class="sourceLineNo">152</span><a name="line.152"></a>
<span class="sourceLineNo">153</span>    /** A working area. */<a name="line.153"></a>
<span class="sourceLineNo">154</span>    private transient Area a1;<a name="line.154"></a>
<span class="sourceLineNo">155</span><a name="line.155"></a>
<span class="sourceLineNo">156</span>    /** A working area. */<a name="line.156"></a>
<span class="sourceLineNo">157</span>    private transient Area a2;<a name="line.157"></a>
<span class="sourceLineNo">158</span><a name="line.158"></a>
<span class="sourceLineNo">159</span>    /** A working shape. */<a name="line.159"></a>
<span class="sourceLineNo">160</span>    private transient Rectangle2D rect1;<a name="line.160"></a>
<span class="sourceLineNo">161</span><a name="line.161"></a>
<span class="sourceLineNo">162</span>    /** An array of value datasets. */<a name="line.162"></a>
<span class="sourceLineNo">163</span>    private ValueDataset[] datasets = new ValueDataset[1];<a name="line.163"></a>
<span class="sourceLineNo">164</span><a name="line.164"></a>
<span class="sourceLineNo">165</span>    /** An array of needles. */<a name="line.165"></a>
<span class="sourceLineNo">166</span>    private MeterNeedle[] seriesNeedle = new MeterNeedle[1];<a name="line.166"></a>
<span class="sourceLineNo">167</span><a name="line.167"></a>
<span class="sourceLineNo">168</span>    /** The resourceBundle for the localization. */<a name="line.168"></a>
<span class="sourceLineNo">169</span>    protected static ResourceBundle localizationResources<a name="line.169"></a>
<span class="sourceLineNo">170</span>            = ResourceBundleWrapper.getBundle(<a name="line.170"></a>
<span class="sourceLineNo">171</span>                    "org.jfree.chart.plot.LocalizationBundle");<a name="line.171"></a>
<span class="sourceLineNo">172</span><a name="line.172"></a>
<span class="sourceLineNo">173</span>    /**<a name="line.173"></a>
<span class="sourceLineNo">174</span>     * The count to complete one revolution.  Can be arbitrarily set<a name="line.174"></a>
<span class="sourceLineNo">175</span>     * For degrees (the default) it is 360, for radians this is 2*Pi, etc<a name="line.175"></a>
<span class="sourceLineNo">176</span>     */<a name="line.176"></a>
<span class="sourceLineNo">177</span>    protected double revolutionDistance = 360;<a name="line.177"></a>
<span class="sourceLineNo">178</span><a name="line.178"></a>
<span class="sourceLineNo">179</span>    /**<a name="line.179"></a>
<span class="sourceLineNo">180</span>     * Default constructor.<a name="line.180"></a>
<span class="sourceLineNo">181</span>     */<a name="line.181"></a>
<span class="sourceLineNo">182</span>    public CompassPlot() {<a name="line.182"></a>
<span class="sourceLineNo">183</span>        this(new DefaultValueDataset());<a name="line.183"></a>
<span class="sourceLineNo">184</span>    }<a name="line.184"></a>
<span class="sourceLineNo">185</span><a name="line.185"></a>
<span class="sourceLineNo">186</span>    /**<a name="line.186"></a>
<span class="sourceLineNo">187</span>     * Constructs a new compass plot.<a name="line.187"></a>
<span class="sourceLineNo">188</span>     *<a name="line.188"></a>
<span class="sourceLineNo">189</span>     * @param dataset  the dataset for the plot (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.189"></a>
<span class="sourceLineNo">190</span>     */<a name="line.190"></a>
<span class="sourceLineNo">191</span>    public CompassPlot(ValueDataset dataset) {<a name="line.191"></a>
<span class="sourceLineNo">192</span>        super();<a name="line.192"></a>
<span class="sourceLineNo">193</span>        if (dataset != null) {<a name="line.193"></a>
<span class="sourceLineNo">194</span>            this.datasets[0] = dataset;<a name="line.194"></a>
<span class="sourceLineNo">195</span>            dataset.addChangeListener(this);<a name="line.195"></a>
<span class="sourceLineNo">196</span>        }<a name="line.196"></a>
<span class="sourceLineNo">197</span>        this.circle1 = new Ellipse2D.Double();<a name="line.197"></a>
<span class="sourceLineNo">198</span>        this.circle2 = new Ellipse2D.Double();<a name="line.198"></a>
<span class="sourceLineNo">199</span>        this.rect1   = new Rectangle2D.Double();<a name="line.199"></a>
<span class="sourceLineNo">200</span>        setSeriesNeedle(0);<a name="line.200"></a>
<span class="sourceLineNo">201</span>    }<a name="line.201"></a>
<span class="sourceLineNo">202</span><a name="line.202"></a>
<span class="sourceLineNo">203</span>    /**<a name="line.203"></a>
<span class="sourceLineNo">204</span>     * Returns the label type.  Defined by the constants: {@link #NO_LABELS}<a name="line.204"></a>
<span class="sourceLineNo">205</span>     * and {@link #VALUE_LABELS}.<a name="line.205"></a>
<span class="sourceLineNo">206</span>     *<a name="line.206"></a>
<span class="sourceLineNo">207</span>     * @return The label type.<a name="line.207"></a>
<span class="sourceLineNo">208</span>     *<a name="line.208"></a>
<span class="sourceLineNo">209</span>     * @see #setLabelType(int)<a name="line.209"></a>
<span class="sourceLineNo">210</span>     */<a name="line.210"></a>
<span class="sourceLineNo">211</span>    public int getLabelType() {<a name="line.211"></a>
<span class="sourceLineNo">212</span>        // FIXME: this attribute is never used - deprecate?<a name="line.212"></a>
<span class="sourceLineNo">213</span>        return this.labelType;<a name="line.213"></a>
<span class="sourceLineNo">214</span>    }<a name="line.214"></a>
<span class="sourceLineNo">215</span><a name="line.215"></a>
<span class="sourceLineNo">216</span>    /**<a name="line.216"></a>
<span class="sourceLineNo">217</span>     * Sets the label type (either {@link #NO_LABELS} or {@link #VALUE_LABELS}.<a name="line.217"></a>
<span class="sourceLineNo">218</span>     *<a name="line.218"></a>
<span class="sourceLineNo">219</span>     * @param type  the type.<a name="line.219"></a>
<span class="sourceLineNo">220</span>     *<a name="line.220"></a>
<span class="sourceLineNo">221</span>     * @see #getLabelType()<a name="line.221"></a>
<span class="sourceLineNo">222</span>     */<a name="line.222"></a>
<span class="sourceLineNo">223</span>    public void setLabelType(int type) {<a name="line.223"></a>
<span class="sourceLineNo">224</span>        // FIXME: this attribute is never used - deprecate?<a name="line.224"></a>
<span class="sourceLineNo">225</span>        if ((type != NO_LABELS) &amp;&amp; (type != VALUE_LABELS)) {<a name="line.225"></a>
<span class="sourceLineNo">226</span>            throw new IllegalArgumentException(<a name="line.226"></a>
<span class="sourceLineNo">227</span>                    "MeterPlot.setLabelType(int): unrecognised type.");<a name="line.227"></a>
<span class="sourceLineNo">228</span>        }<a name="line.228"></a>
<span class="sourceLineNo">229</span>        if (this.labelType != type) {<a name="line.229"></a>
<span class="sourceLineNo">230</span>            this.labelType = type;<a name="line.230"></a>
<span class="sourceLineNo">231</span>            fireChangeEvent();<a name="line.231"></a>
<span class="sourceLineNo">232</span>        }<a name="line.232"></a>
<span class="sourceLineNo">233</span>    }<a name="line.233"></a>
<span class="sourceLineNo">234</span><a name="line.234"></a>
<span class="sourceLineNo">235</span>    /**<a name="line.235"></a>
<span class="sourceLineNo">236</span>     * Returns the label font.<a name="line.236"></a>
<span class="sourceLineNo">237</span>     *<a name="line.237"></a>
<span class="sourceLineNo">238</span>     * @return The label font.<a name="line.238"></a>
<span class="sourceLineNo">239</span>     *<a name="line.239"></a>
<span class="sourceLineNo">240</span>     * @see #setLabelFont(Font)<a name="line.240"></a>
<span class="sourceLineNo">241</span>     */<a name="line.241"></a>
<span class="sourceLineNo">242</span>    public Font getLabelFont() {<a name="line.242"></a>
<span class="sourceLineNo">243</span>        // FIXME: this attribute is not used - deprecate?<a name="line.243"></a>
<span class="sourceLineNo">244</span>        return this.labelFont;<a name="line.244"></a>
<span class="sourceLineNo">245</span>    }<a name="line.245"></a>
<span class="sourceLineNo">246</span><a name="line.246"></a>
<span class="sourceLineNo">247</span>    /**<a name="line.247"></a>
<span class="sourceLineNo">248</span>     * Sets the label font and sends a {@link PlotChangeEvent} to all<a name="line.248"></a>
<span class="sourceLineNo">249</span>     * registered listeners.<a name="line.249"></a>
<span class="sourceLineNo">250</span>     *<a name="line.250"></a>
<span class="sourceLineNo">251</span>     * @param font  the new label font.<a name="line.251"></a>
<span class="sourceLineNo">252</span>     *<a name="line.252"></a>
<span class="sourceLineNo">253</span>     * @see #getLabelFont()<a name="line.253"></a>
<span class="sourceLineNo">254</span>     */<a name="line.254"></a>
<span class="sourceLineNo">255</span>    public void setLabelFont(Font font) {<a name="line.255"></a>
<span class="sourceLineNo">256</span>        // FIXME: this attribute is not used - deprecate?<a name="line.256"></a>
<span class="sourceLineNo">257</span>        if (font == null) {<a name="line.257"></a>
<span class="sourceLineNo">258</span>            throw new IllegalArgumentException("Null 'font' not allowed.");<a name="line.258"></a>
<span class="sourceLineNo">259</span>        }<a name="line.259"></a>
<span class="sourceLineNo">260</span>        this.labelFont = font;<a name="line.260"></a>
<span class="sourceLineNo">261</span>        fireChangeEvent();<a name="line.261"></a>
<span class="sourceLineNo">262</span>    }<a name="line.262"></a>
<span class="sourceLineNo">263</span><a name="line.263"></a>
<span class="sourceLineNo">264</span>    /**<a name="line.264"></a>
<span class="sourceLineNo">265</span>     * Returns the paint used to fill the outer circle of the compass.<a name="line.265"></a>
<span class="sourceLineNo">266</span>     *<a name="line.266"></a>
<span class="sourceLineNo">267</span>     * @return The paint (never &lt;code&gt;null&lt;/code&gt;).<a name="line.267"></a>
<span class="sourceLineNo">268</span>     *<a name="line.268"></a>
<span class="sourceLineNo">269</span>     * @see #setRosePaint(Paint)<a name="line.269"></a>
<span class="sourceLineNo">270</span>     */<a name="line.270"></a>
<span class="sourceLineNo">271</span>    public Paint getRosePaint() {<a name="line.271"></a>
<span class="sourceLineNo">272</span>        return this.rosePaint;<a name="line.272"></a>
<span class="sourceLineNo">273</span>    }<a name="line.273"></a>
<span class="sourceLineNo">274</span><a name="line.274"></a>
<span class="sourceLineNo">275</span>    /**<a name="line.275"></a>
<span class="sourceLineNo">276</span>     * Sets the paint used to fill the outer circle of the compass,<a name="line.276"></a>
<span class="sourceLineNo">277</span>     * and sends a {@link PlotChangeEvent} to all registered listeners.<a name="line.277"></a>
<span class="sourceLineNo">278</span>     *<a name="line.278"></a>
<span class="sourceLineNo">279</span>     * @param paint  the paint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.279"></a>
<span class="sourceLineNo">280</span>     *<a name="line.280"></a>
<span class="sourceLineNo">281</span>     * @see #getRosePaint()<a name="line.281"></a>
<span class="sourceLineNo">282</span>     */<a name="line.282"></a>
<span class="sourceLineNo">283</span>    public void setRosePaint(Paint paint) {<a name="line.283"></a>
<span class="sourceLineNo">284</span>        if (paint == null) {<a name="line.284"></a>
<span class="sourceLineNo">285</span>            throw new IllegalArgumentException("Null 'paint' argument.");<a name="line.285"></a>
<span class="sourceLineNo">286</span>        }<a name="line.286"></a>
<span class="sourceLineNo">287</span>        this.rosePaint = paint;<a name="line.287"></a>
<span class="sourceLineNo">288</span>        fireChangeEvent();<a name="line.288"></a>
<span class="sourceLineNo">289</span>    }<a name="line.289"></a>
<span class="sourceLineNo">290</span><a name="line.290"></a>
<span class="sourceLineNo">291</span>    /**<a name="line.291"></a>
<span class="sourceLineNo">292</span>     * Returns the paint used to fill the inner background area of the<a name="line.292"></a>
<span class="sourceLineNo">293</span>     * compass.<a name="line.293"></a>
<span class="sourceLineNo">294</span>     *<a name="line.294"></a>
<span class="sourceLineNo">295</span>     * @return The paint (never &lt;code&gt;null&lt;/code&gt;).<a name="line.295"></a>
<span class="sourceLineNo">296</span>     *<a name="line.296"></a>
<span class="sourceLineNo">297</span>     * @see #setRoseCenterPaint(Paint)<a name="line.297"></a>
<span class="sourceLineNo">298</span>     */<a name="line.298"></a>
<span class="sourceLineNo">299</span>    public Paint getRoseCenterPaint() {<a name="line.299"></a>
<span class="sourceLineNo">300</span>        return this.roseCenterPaint;<a name="line.300"></a>
<span class="sourceLineNo">301</span>    }<a name="line.301"></a>
<span class="sourceLineNo">302</span><a name="line.302"></a>
<span class="sourceLineNo">303</span>    /**<a name="line.303"></a>
<span class="sourceLineNo">304</span>     * Sets the paint used to fill the inner background area of the compass,<a name="line.304"></a>
<span class="sourceLineNo">305</span>     * and sends a {@link PlotChangeEvent} to all registered listeners.<a name="line.305"></a>
<span class="sourceLineNo">306</span>     *<a name="line.306"></a>
<span class="sourceLineNo">307</span>     * @param paint  the paint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.307"></a>
<span class="sourceLineNo">308</span>     *<a name="line.308"></a>
<span class="sourceLineNo">309</span>     * @see #getRoseCenterPaint()<a name="line.309"></a>
<span class="sourceLineNo">310</span>     */<a name="line.310"></a>
<span class="sourceLineNo">311</span>    public void setRoseCenterPaint(Paint paint) {<a name="line.311"></a>
<span class="sourceLineNo">312</span>        if (paint == null) {<a name="line.312"></a>
<span class="sourceLineNo">313</span>            throw new IllegalArgumentException("Null 'paint' argument.");<a name="line.313"></a>
<span class="sourceLineNo">314</span>        }<a name="line.314"></a>
<span class="sourceLineNo">315</span>        this.roseCenterPaint = paint;<a name="line.315"></a>
<span class="sourceLineNo">316</span>        fireChangeEvent();<a name="line.316"></a>
<span class="sourceLineNo">317</span>    }<a name="line.317"></a>
<span class="sourceLineNo">318</span><a name="line.318"></a>
<span class="sourceLineNo">319</span>    /**<a name="line.319"></a>
<span class="sourceLineNo">320</span>     * Returns the paint used to draw the circles, symbols and labels on the<a name="line.320"></a>
<span class="sourceLineNo">321</span>     * compass.<a name="line.321"></a>
<span class="sourceLineNo">322</span>     *<a name="line.322"></a>
<span class="sourceLineNo">323</span>     * @return The paint (never &lt;code&gt;null&lt;/code&gt;).<a name="line.323"></a>
<span class="sourceLineNo">324</span>     *<a name="line.324"></a>
<span class="sourceLineNo">325</span>     * @see #setRoseHighlightPaint(Paint)<a name="line.325"></a>
<span class="sourceLineNo">326</span>     */<a name="line.326"></a>
<span class="sourceLineNo">327</span>    public Paint getRoseHighlightPaint() {<a name="line.327"></a>
<span class="sourceLineNo">328</span>        return this.roseHighlightPaint;<a name="line.328"></a>
<span class="sourceLineNo">329</span>    }<a name="line.329"></a>
<span class="sourceLineNo">330</span><a name="line.330"></a>
<span class="sourceLineNo">331</span>    /**<a name="line.331"></a>
<span class="sourceLineNo">332</span>     * Sets the paint used to draw the circles, symbols and labels of the<a name="line.332"></a>
<span class="sourceLineNo">333</span>     * compass, and sends a {@link PlotChangeEvent} to all registered listeners.<a name="line.333"></a>
<span class="sourceLineNo">334</span>     *<a name="line.334"></a>
<span class="sourceLineNo">335</span>     * @param paint  the paint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.335"></a>
<span class="sourceLineNo">336</span>     *<a name="line.336"></a>
<span class="sourceLineNo">337</span>     * @see #getRoseHighlightPaint()<a name="line.337"></a>
<span class="sourceLineNo">338</span>     */<a name="line.338"></a>
<span class="sourceLineNo">339</span>    public void setRoseHighlightPaint(Paint paint) {<a name="line.339"></a>
<span class="sourceLineNo">340</span>        if (paint == null) {<a name="line.340"></a>
<span class="sourceLineNo">341</span>            throw new IllegalArgumentException("Null 'paint' argument.");<a name="line.341"></a>
<span class="sourceLineNo">342</span>        }<a name="line.342"></a>
<span class="sourceLineNo">343</span>        this.roseHighlightPaint = paint;<a name="line.343"></a>
<span class="sourceLineNo">344</span>        fireChangeEvent();<a name="line.344"></a>
<span class="sourceLineNo">345</span>    }<a name="line.345"></a>
<span class="sourceLineNo">346</span><a name="line.346"></a>
<span class="sourceLineNo">347</span>    /**<a name="line.347"></a>
<span class="sourceLineNo">348</span>     * Returns a flag that controls whether or not a border is drawn.<a name="line.348"></a>
<span class="sourceLineNo">349</span>     *<a name="line.349"></a>
<span class="sourceLineNo">350</span>     * @return The flag.<a name="line.350"></a>
<span class="sourceLineNo">351</span>     *<a name="line.351"></a>
<span class="sourceLineNo">352</span>     * @see #setDrawBorder(boolean)<a name="line.352"></a>
<span class="sourceLineNo">353</span>     */<a name="line.353"></a>
<span class="sourceLineNo">354</span>    public boolean getDrawBorder() {<a name="line.354"></a>
<span class="sourceLineNo">355</span>        return this.drawBorder;<a name="line.355"></a>
<span class="sourceLineNo">356</span>    }<a name="line.356"></a>
<span class="sourceLineNo">357</span><a name="line.357"></a>
<span class="sourceLineNo">358</span>    /**<a name="line.358"></a>
<span class="sourceLineNo">359</span>     * Sets a flag that controls whether or not a border is drawn.<a name="line.359"></a>
<span class="sourceLineNo">360</span>     *<a name="line.360"></a>
<span class="sourceLineNo">361</span>     * @param status  the flag status.<a name="line.361"></a>
<span class="sourceLineNo">362</span>     *<a name="line.362"></a>
<span class="sourceLineNo">363</span>     * @see #getDrawBorder()<a name="line.363"></a>
<span class="sourceLineNo">364</span>     */<a name="line.364"></a>
<span class="sourceLineNo">365</span>    public void setDrawBorder(boolean status) {<a name="line.365"></a>
<span class="sourceLineNo">366</span>        this.drawBorder = status;<a name="line.366"></a>
<span class="sourceLineNo">367</span>        fireChangeEvent();<a name="line.367"></a>
<span class="sourceLineNo">368</span>    }<a name="line.368"></a>
<span class="sourceLineNo">369</span><a name="line.369"></a>
<span class="sourceLineNo">370</span>    /**<a name="line.370"></a>
<span class="sourceLineNo">371</span>     * Sets the series paint.<a name="line.371"></a>
<span class="sourceLineNo">372</span>     *<a name="line.372"></a>
<span class="sourceLineNo">373</span>     * @param series  the series index.<a name="line.373"></a>
<span class="sourceLineNo">374</span>     * @param paint  the paint.<a name="line.374"></a>
<span class="sourceLineNo">375</span>     *<a name="line.375"></a>
<span class="sourceLineNo">376</span>     * @see #setSeriesOutlinePaint(int, Paint)<a name="line.376"></a>
<span class="sourceLineNo">377</span>     */<a name="line.377"></a>
<span class="sourceLineNo">378</span>    public void setSeriesPaint(int series, Paint paint) {<a name="line.378"></a>
<span class="sourceLineNo">379</span>       // super.setSeriesPaint(series, paint);<a name="line.379"></a>
<span class="sourceLineNo">380</span>        if ((series &gt;= 0) &amp;&amp; (series &lt; this.seriesNeedle.length)) {<a name="line.380"></a>
<span class="sourceLineNo">381</span>            this.seriesNeedle[series].setFillPaint(paint);<a name="line.381"></a>
<span class="sourceLineNo">382</span>        }<a name="line.382"></a>
<span class="sourceLineNo">383</span>    }<a name="line.383"></a>
<span class="sourceLineNo">384</span><a name="line.384"></a>
<span class="sourceLineNo">385</span>    /**<a name="line.385"></a>
<span class="sourceLineNo">386</span>     * Sets the series outline paint.<a name="line.386"></a>
<span class="sourceLineNo">387</span>     *<a name="line.387"></a>
<span class="sourceLineNo">388</span>     * @param series  the series index.<a name="line.388"></a>
<span class="sourceLineNo">389</span>     * @param p  the paint.<a name="line.389"></a>
<span class="sourceLineNo">390</span>     *<a name="line.390"></a>
<span class="sourceLineNo">391</span>     * @see #setSeriesPaint(int, Paint)<a name="line.391"></a>
<span class="sourceLineNo">392</span>     */<a name="line.392"></a>
<span class="sourceLineNo">393</span>    public void setSeriesOutlinePaint(int series, Paint p) {<a name="line.393"></a>
<span class="sourceLineNo">394</span><a name="line.394"></a>
<span class="sourceLineNo">395</span>        if ((series &gt;= 0) &amp;&amp; (series &lt; this.seriesNeedle.length)) {<a name="line.395"></a>
<span class="sourceLineNo">396</span>            this.seriesNeedle[series].setOutlinePaint(p);<a name="line.396"></a>
<span class="sourceLineNo">397</span>        }<a name="line.397"></a>
<span class="sourceLineNo">398</span><a name="line.398"></a>
<span class="sourceLineNo">399</span>    }<a name="line.399"></a>
<span class="sourceLineNo">400</span><a name="line.400"></a>
<span class="sourceLineNo">401</span>    /**<a name="line.401"></a>
<span class="sourceLineNo">402</span>     * Sets the series outline stroke.<a name="line.402"></a>
<span class="sourceLineNo">403</span>     *<a name="line.403"></a>
<span class="sourceLineNo">404</span>     * @param series  the series index.<a name="line.404"></a>
<span class="sourceLineNo">405</span>     * @param stroke  the stroke.<a name="line.405"></a>
<span class="sourceLineNo">406</span>     *<a name="line.406"></a>
<span class="sourceLineNo">407</span>     * @see #setSeriesOutlinePaint(int, Paint)<a name="line.407"></a>
<span class="sourceLineNo">408</span>     */<a name="line.408"></a>
<span class="sourceLineNo">409</span>    public void setSeriesOutlineStroke(int series, Stroke stroke) {<a name="line.409"></a>
<span class="sourceLineNo">410</span><a name="line.410"></a>
<span class="sourceLineNo">411</span>        if ((series &gt;= 0) &amp;&amp; (series &lt; this.seriesNeedle.length)) {<a name="line.411"></a>
<span class="sourceLineNo">412</span>            this.seriesNeedle[series].setOutlineStroke(stroke);<a name="line.412"></a>
<span class="sourceLineNo">413</span>        }<a name="line.413"></a>
<span class="sourceLineNo">414</span><a name="line.414"></a>
<span class="sourceLineNo">415</span>    }<a name="line.415"></a>
<span class="sourceLineNo">416</span><a name="line.416"></a>
<span class="sourceLineNo">417</span>    /**<a name="line.417"></a>
<span class="sourceLineNo">418</span>     * Sets the needle type.<a name="line.418"></a>
<span class="sourceLineNo">419</span>     *<a name="line.419"></a>
<span class="sourceLineNo">420</span>     * @param type  the type.<a name="line.420"></a>
<span class="sourceLineNo">421</span>     *<a name="line.421"></a>
<span class="sourceLineNo">422</span>     * @see #setSeriesNeedle(int, int)<a name="line.422"></a>
<span class="sourceLineNo">423</span>     */<a name="line.423"></a>
<span class="sourceLineNo">424</span>    public void setSeriesNeedle(int type) {<a name="line.424"></a>
<span class="sourceLineNo">425</span>        setSeriesNeedle(0, type);<a name="line.425"></a>
<span class="sourceLineNo">426</span>    }<a name="line.426"></a>
<span class="sourceLineNo">427</span><a name="line.427"></a>
<span class="sourceLineNo">428</span>    /**<a name="line.428"></a>
<span class="sourceLineNo">429</span>     * Sets the needle for a series.  The needle type is one of the following:<a name="line.429"></a>
<span class="sourceLineNo">430</span>     * &lt;ul&gt;<a name="line.430"></a>
<span class="sourceLineNo">431</span>     * &lt;li&gt;0 = {@link ArrowNeedle};&lt;/li&gt;<a name="line.431"></a>
<span class="sourceLineNo">432</span>     * &lt;li&gt;1 = {@link LineNeedle};&lt;/li&gt;<a name="line.432"></a>
<span class="sourceLineNo">433</span>     * &lt;li&gt;2 = {@link LongNeedle};&lt;/li&gt;<a name="line.433"></a>
<span class="sourceLineNo">434</span>     * &lt;li&gt;3 = {@link PinNeedle};&lt;/li&gt;<a name="line.434"></a>
<span class="sourceLineNo">435</span>     * &lt;li&gt;4 = {@link PlumNeedle};&lt;/li&gt;<a name="line.435"></a>
<span class="sourceLineNo">436</span>     * &lt;li&gt;5 = {@link PointerNeedle};&lt;/li&gt;<a name="line.436"></a>
<span class="sourceLineNo">437</span>     * &lt;li&gt;6 = {@link ShipNeedle};&lt;/li&gt;<a name="line.437"></a>
<span class="sourceLineNo">438</span>     * &lt;li&gt;7 = {@link WindNeedle};&lt;/li&gt;<a name="line.438"></a>
<span class="sourceLineNo">439</span>     * &lt;li&gt;8 = {@link ArrowNeedle};&lt;/li&gt;<a name="line.439"></a>
<span class="sourceLineNo">440</span>     * &lt;li&gt;9 = {@link MiddlePinNeedle};&lt;/li&gt;<a name="line.440"></a>
<span class="sourceLineNo">441</span>     * &lt;/ul&gt;<a name="line.441"></a>
<span class="sourceLineNo">442</span>     * @param index  the series index.<a name="line.442"></a>
<span class="sourceLineNo">443</span>     * @param type  the needle type.<a name="line.443"></a>
<span class="sourceLineNo">444</span>     *<a name="line.444"></a>
<span class="sourceLineNo">445</span>     * @see #setSeriesNeedle(int)<a name="line.445"></a>
<span class="sourceLineNo">446</span>     */<a name="line.446"></a>
<span class="sourceLineNo">447</span>    public void setSeriesNeedle(int index, int type) {<a name="line.447"></a>
<span class="sourceLineNo">448</span>        switch (type) {<a name="line.448"></a>
<span class="sourceLineNo">449</span>            case 0:<a name="line.449"></a>
<span class="sourceLineNo">450</span>                setSeriesNeedle(index, new ArrowNeedle(true));<a name="line.450"></a>
<span class="sourceLineNo">451</span>                setSeriesPaint(index, Color.red);<a name="line.451"></a>
<span class="sourceLineNo">452</span>                this.seriesNeedle[index].setHighlightPaint(Color.white);<a name="line.452"></a>
<span class="sourceLineNo">453</span>                break;<a name="line.453"></a>
<span class="sourceLineNo">454</span>            case 1:<a name="line.454"></a>
<span class="sourceLineNo">455</span>                setSeriesNeedle(index, new LineNeedle());<a name="line.455"></a>
<span class="sourceLineNo">456</span>                break;<a name="line.456"></a>
<span class="sourceLineNo">457</span>            case 2:<a name="line.457"></a>
<span class="sourceLineNo">458</span>                MeterNeedle longNeedle = new LongNeedle();<a name="line.458"></a>
<span class="sourceLineNo">459</span>                longNeedle.setRotateY(0.5);<a name="line.459"></a>
<span class="sourceLineNo">460</span>                setSeriesNeedle(index, longNeedle);<a name="line.460"></a>
<span class="sourceLineNo">461</span>                break;<a name="line.461"></a>
<span class="sourceLineNo">462</span>            case 3:<a name="line.462"></a>
<span class="sourceLineNo">463</span>                setSeriesNeedle(index, new PinNeedle());<a name="line.463"></a>
<span class="sourceLineNo">464</span>                break;<a name="line.464"></a>
<span class="sourceLineNo">465</span>            case 4:<a name="line.465"></a>
<span class="sourceLineNo">466</span>                setSeriesNeedle(index, new PlumNeedle());<a name="line.466"></a>
<span class="sourceLineNo">467</span>                break;<a name="line.467"></a>
<span class="sourceLineNo">468</span>            case 5:<a name="line.468"></a>
<span class="sourceLineNo">469</span>                setSeriesNeedle(index, new PointerNeedle());<a name="line.469"></a>
<span class="sourceLineNo">470</span>                break;<a name="line.470"></a>
<span class="sourceLineNo">471</span>            case 6:<a name="line.471"></a>
<span class="sourceLineNo">472</span>                setSeriesPaint(index, null);<a name="line.472"></a>
<span class="sourceLineNo">473</span>                setSeriesOutlineStroke(index, new BasicStroke(3));<a name="line.473"></a>
<span class="sourceLineNo">474</span>                setSeriesNeedle(index, new ShipNeedle());<a name="line.474"></a>
<span class="sourceLineNo">475</span>                break;<a name="line.475"></a>
<span class="sourceLineNo">476</span>            case 7:<a name="line.476"></a>
<span class="sourceLineNo">477</span>                setSeriesPaint(index, Color.blue);<a name="line.477"></a>
<span class="sourceLineNo">478</span>                setSeriesNeedle(index, new WindNeedle());<a name="line.478"></a>
<span class="sourceLineNo">479</span>                break;<a name="line.479"></a>
<span class="sourceLineNo">480</span>            case 8:<a name="line.480"></a>
<span class="sourceLineNo">481</span>                setSeriesNeedle(index, new ArrowNeedle(true));<a name="line.481"></a>
<span class="sourceLineNo">482</span>                break;<a name="line.482"></a>
<span class="sourceLineNo">483</span>            case 9:<a name="line.483"></a>
<span class="sourceLineNo">484</span>                setSeriesNeedle(index, new MiddlePinNeedle());<a name="line.484"></a>
<span class="sourceLineNo">485</span>                break;<a name="line.485"></a>
<span class="sourceLineNo">486</span><a name="line.486"></a>
<span class="sourceLineNo">487</span>            default:<a name="line.487"></a>
<span class="sourceLineNo">488</span>                throw new IllegalArgumentException("Unrecognised type.");<a name="line.488"></a>
<span class="sourceLineNo">489</span>        }<a name="line.489"></a>
<span class="sourceLineNo">490</span><a name="line.490"></a>
<span class="sourceLineNo">491</span>    }<a name="line.491"></a>
<span class="sourceLineNo">492</span><a name="line.492"></a>
<span class="sourceLineNo">493</span>    /**<a name="line.493"></a>
<span class="sourceLineNo">494</span>     * Sets the needle for a series and sends a {@link PlotChangeEvent} to all<a name="line.494"></a>
<span class="sourceLineNo">495</span>     * registered listeners.<a name="line.495"></a>
<span class="sourceLineNo">496</span>     *<a name="line.496"></a>
<span class="sourceLineNo">497</span>     * @param index  the series index.<a name="line.497"></a>
<span class="sourceLineNo">498</span>     * @param needle  the needle.<a name="line.498"></a>
<span class="sourceLineNo">499</span>     */<a name="line.499"></a>
<span class="sourceLineNo">500</span>    public void setSeriesNeedle(int index, MeterNeedle needle) {<a name="line.500"></a>
<span class="sourceLineNo">501</span>        if ((needle != null) &amp;&amp; (index &lt; this.seriesNeedle.length)) {<a name="line.501"></a>
<span class="sourceLineNo">502</span>            this.seriesNeedle[index] = needle;<a name="line.502"></a>
<span class="sourceLineNo">503</span>        }<a name="line.503"></a>
<span class="sourceLineNo">504</span>        fireChangeEvent();<a name="line.504"></a>
<span class="sourceLineNo">505</span>    }<a name="line.505"></a>
<span class="sourceLineNo">506</span><a name="line.506"></a>
<span class="sourceLineNo">507</span>    /**<a name="line.507"></a>
<span class="sourceLineNo">508</span>     * Returns an array of dataset references for the plot.<a name="line.508"></a>
<span class="sourceLineNo">509</span>     *<a name="line.509"></a>
<span class="sourceLineNo">510</span>     * @return The dataset for the plot, cast as a ValueDataset.<a name="line.510"></a>
<span class="sourceLineNo">511</span>     *<a name="line.511"></a>
<span class="sourceLineNo">512</span>     * @see #addDataset(ValueDataset)<a name="line.512"></a>
<span class="sourceLineNo">513</span>     */<a name="line.513"></a>
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<span class="sourceLineNo">518</span>    /**<a name="line.518"></a>
<span class="sourceLineNo">519</span>     * Adds a dataset to the compass.<a name="line.519"></a>
<span class="sourceLineNo">520</span>     *<a name="line.520"></a>
<span class="sourceLineNo">521</span>     * @param dataset  the new dataset (&lt;code&gt;null&lt;/code&gt; ignored).<a name="line.521"></a>
<span class="sourceLineNo">522</span>     *<a name="line.522"></a>
<span class="sourceLineNo">523</span>     * @see #addDataset(ValueDataset, MeterNeedle)<a name="line.523"></a>
<span class="sourceLineNo">524</span>     */<a name="line.524"></a>
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<span class="sourceLineNo">528</span><a name="line.528"></a>
<span class="sourceLineNo">529</span>    /**<a name="line.529"></a>
<span class="sourceLineNo">530</span>     * Adds a dataset to the compass.<a name="line.530"></a>
<span class="sourceLineNo">531</span>     *<a name="line.531"></a>
<span class="sourceLineNo">532</span>     * @param dataset  the new dataset (&lt;code&gt;null&lt;/code&gt; ignored).<a name="line.532"></a>
<span class="sourceLineNo">533</span>     * @param needle  the needle (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.533"></a>
<span class="sourceLineNo">534</span>     */<a name="line.534"></a>
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<span class="sourceLineNo">539</span>            ValueDataset[] t = new ValueDataset[i];<a name="line.539"></a>
<span class="sourceLineNo">540</span>            MeterNeedle[] p = new MeterNeedle[i];<a name="line.540"></a>
<span class="sourceLineNo">541</span>            i = i - 2;<a name="line.541"></a>
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<span class="sourceLineNo">543</span>                t[i] = this.datasets[i];<a name="line.543"></a>
<span class="sourceLineNo">544</span>                p[i] = this.seriesNeedle[i];<a name="line.544"></a>
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<span class="sourceLineNo">546</span>            i = this.datasets.length;<a name="line.546"></a>
<span class="sourceLineNo">547</span>            t[i] = dataset;<a name="line.547"></a>
<span class="sourceLineNo">548</span>            p[i] = ((needle != null) ? needle : p[i - 1]);<a name="line.548"></a>
<span class="sourceLineNo">549</span><a name="line.549"></a>
<span class="sourceLineNo">550</span>            ValueDataset[] a = this.datasets;<a name="line.550"></a>
<span class="sourceLineNo">551</span>            MeterNeedle[] b = this.seriesNeedle;<a name="line.551"></a>
<span class="sourceLineNo">552</span>            this.datasets = t;<a name="line.552"></a>
<span class="sourceLineNo">553</span>            this.seriesNeedle = p;<a name="line.553"></a>
<span class="sourceLineNo">554</span><a name="line.554"></a>
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<span class="sourceLineNo">556</span>                a[i] = null;<a name="line.556"></a>
<span class="sourceLineNo">557</span>                b[i] = null;<a name="line.557"></a>
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<span class="sourceLineNo">559</span>            dataset.addChangeListener(this);<a name="line.559"></a>
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<span class="sourceLineNo">561</span>    }<a name="line.561"></a>
<span class="sourceLineNo">562</span><a name="line.562"></a>
<span class="sourceLineNo">563</span>    /**<a name="line.563"></a>
<span class="sourceLineNo">564</span>     * Draws the plot on a Java 2D graphics device (such as the screen or a<a name="line.564"></a>
<span class="sourceLineNo">565</span>     * printer).<a name="line.565"></a>
<span class="sourceLineNo">566</span>     *<a name="line.566"></a>
<span class="sourceLineNo">567</span>     * @param g2  the graphics device.<a name="line.567"></a>
<span class="sourceLineNo">568</span>     * @param area  the area within which the plot should be drawn.<a name="line.568"></a>
<span class="sourceLineNo">569</span>     * @param anchor  the anchor point (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.569"></a>
<span class="sourceLineNo">570</span>     * @param parentState  the state from the parent plot, if there is one.<a name="line.570"></a>
<span class="sourceLineNo">571</span>     * @param info  collects info about the drawing.<a name="line.571"></a>
<span class="sourceLineNo">572</span>     */<a name="line.572"></a>
<span class="sourceLineNo">573</span>    public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor,<a name="line.573"></a>
<span class="sourceLineNo">574</span>                     PlotState parentState,<a name="line.574"></a>
<span class="sourceLineNo">575</span>                     PlotRenderingInfo info) {<a name="line.575"></a>
<span class="sourceLineNo">576</span><a name="line.576"></a>
<span class="sourceLineNo">577</span>        int outerRadius = 0;<a name="line.577"></a>
<span class="sourceLineNo">578</span>        int innerRadius = 0;<a name="line.578"></a>
<span class="sourceLineNo">579</span>        int x1, y1, x2, y2;<a name="line.579"></a>
<span class="sourceLineNo">580</span>        double a;<a name="line.580"></a>
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<span class="sourceLineNo">585</span><a name="line.585"></a>
<span class="sourceLineNo">586</span>        // adjust for insets...<a name="line.586"></a>
<span class="sourceLineNo">587</span>        RectangleInsets insets = getInsets();<a name="line.587"></a>
<span class="sourceLineNo">588</span>        insets.trim(area);<a name="line.588"></a>
<span class="sourceLineNo">589</span><a name="line.589"></a>
<span class="sourceLineNo">590</span>        // draw the background<a name="line.590"></a>
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<span class="sourceLineNo">594</span><a name="line.594"></a>
<span class="sourceLineNo">595</span>        int midX = (int) (area.getWidth() / 2);<a name="line.595"></a>
<span class="sourceLineNo">596</span>        int midY = (int) (area.getHeight() / 2);<a name="line.596"></a>
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<span class="sourceLineNo">602</span>        int diameter = 2 * radius;<a name="line.602"></a>
<span class="sourceLineNo">603</span><a name="line.603"></a>
<span class="sourceLineNo">604</span>        midX += (int) area.getMinX();<a name="line.604"></a>
<span class="sourceLineNo">605</span>        midY += (int) area.getMinY();<a name="line.605"></a>
<span class="sourceLineNo">606</span><a name="line.606"></a>
<span class="sourceLineNo">607</span>        this.circle1.setFrame(midX - radius, midY - radius, diameter, diameter);<a name="line.607"></a>
<span class="sourceLineNo">608</span>        this.circle2.setFrame(<a name="line.608"></a>
<span class="sourceLineNo">609</span>            midX - radius + 15, midY - radius + 15,<a name="line.609"></a>
<span class="sourceLineNo">610</span>            diameter - 30, diameter - 30<a name="line.610"></a>
<span class="sourceLineNo">611</span>        );<a name="line.611"></a>
<span class="sourceLineNo">612</span>        g2.setPaint(this.rosePaint);<a name="line.612"></a>
<span class="sourceLineNo">613</span>        this.a1 = new Area(this.circle1);<a name="line.613"></a>
<span class="sourceLineNo">614</span>        this.a2 = new Area(this.circle2);<a name="line.614"></a>
<span class="sourceLineNo">615</span>        this.a1.subtract(this.a2);<a name="line.615"></a>
<span class="sourceLineNo">616</span>        g2.fill(this.a1);<a name="line.616"></a>
<span class="sourceLineNo">617</span><a name="line.617"></a>
<span class="sourceLineNo">618</span>        g2.setPaint(this.roseCenterPaint);<a name="line.618"></a>
<span class="sourceLineNo">619</span>        x1 = diameter - 30;<a name="line.619"></a>
<span class="sourceLineNo">620</span>        g2.fillOval(midX - radius + 15, midY - radius + 15, x1, x1);<a name="line.620"></a>
<span class="sourceLineNo">621</span>        g2.setPaint(this.roseHighlightPaint);<a name="line.621"></a>
<span class="sourceLineNo">622</span>        g2.drawOval(midX - radius, midY - radius, diameter, diameter);<a name="line.622"></a>
<span class="sourceLineNo">623</span>        x1 = diameter - 20;<a name="line.623"></a>
<span class="sourceLineNo">624</span>        g2.drawOval(midX - radius + 10, midY - radius + 10, x1, x1);<a name="line.624"></a>
<span class="sourceLineNo">625</span>        x1 = diameter - 30;<a name="line.625"></a>
<span class="sourceLineNo">626</span>        g2.drawOval(midX - radius + 15, midY - radius + 15, x1, x1);<a name="line.626"></a>
<span class="sourceLineNo">627</span>        x1 = diameter - 80;<a name="line.627"></a>
<span class="sourceLineNo">628</span>        g2.drawOval(midX - radius + 40, midY - radius + 40, x1, x1);<a name="line.628"></a>
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<span class="sourceLineNo">630</span>        outerRadius = radius - 20;<a name="line.630"></a>
<span class="sourceLineNo">631</span>        innerRadius = radius - 32;<a name="line.631"></a>
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<span class="sourceLineNo">633</span>            a = Math.toRadians(w);<a name="line.633"></a>
<span class="sourceLineNo">634</span>            x1 = midX - ((int) (Math.sin(a) * innerRadius));<a name="line.634"></a>
<span class="sourceLineNo">635</span>            x2 = midX - ((int) (Math.sin(a) * outerRadius));<a name="line.635"></a>
<span class="sourceLineNo">636</span>            y1 = midY - ((int) (Math.cos(a) * innerRadius));<a name="line.636"></a>
<span class="sourceLineNo">637</span>            y2 = midY - ((int) (Math.cos(a) * outerRadius));<a name="line.637"></a>
<span class="sourceLineNo">638</span>            g2.drawLine(x1, y1, x2, y2);<a name="line.638"></a>
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<span class="sourceLineNo">641</span>        g2.setPaint(this.roseHighlightPaint);<a name="line.641"></a>
<span class="sourceLineNo">642</span>        innerRadius = radius - 26;<a name="line.642"></a>
<span class="sourceLineNo">643</span>        outerRadius = 7;<a name="line.643"></a>
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<span class="sourceLineNo">645</span>            a = Math.toRadians(w);<a name="line.645"></a>
<span class="sourceLineNo">646</span>            x1 = midX - ((int) (Math.sin(a) * innerRadius));<a name="line.646"></a>
<span class="sourceLineNo">647</span>            y1 = midY - ((int) (Math.cos(a) * innerRadius));<a name="line.647"></a>
<span class="sourceLineNo">648</span>            g2.fillOval(x1 - outerRadius, y1 - outerRadius, 2 * outerRadius,<a name="line.648"></a>
<span class="sourceLineNo">649</span>                    2 * outerRadius);<a name="line.649"></a>
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<span class="sourceLineNo">651</span><a name="line.651"></a>
<span class="sourceLineNo">652</span>        /// Squares<a name="line.652"></a>
<span class="sourceLineNo">653</span>        for (int w = 0; w &lt; 360; w += 90) {<a name="line.653"></a>
<span class="sourceLineNo">654</span>            a = Math.toRadians(w);<a name="line.654"></a>
<span class="sourceLineNo">655</span>            x1 = midX - ((int) (Math.sin(a) * innerRadius));<a name="line.655"></a>
<span class="sourceLineNo">656</span>            y1 = midY - ((int) (Math.cos(a) * innerRadius));<a name="line.656"></a>
<span class="sourceLineNo">657</span><a name="line.657"></a>
<span class="sourceLineNo">658</span>            Polygon p = new Polygon();<a name="line.658"></a>
<span class="sourceLineNo">659</span>            p.addPoint(x1 - outerRadius, y1);<a name="line.659"></a>
<span class="sourceLineNo">660</span>            p.addPoint(x1, y1 + outerRadius);<a name="line.660"></a>
<span class="sourceLineNo">661</span>            p.addPoint(x1 + outerRadius, y1);<a name="line.661"></a>
<span class="sourceLineNo">662</span>            p.addPoint(x1, y1 - outerRadius);<a name="line.662"></a>
<span class="sourceLineNo">663</span>            g2.fillPolygon(p);<a name="line.663"></a>
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<span class="sourceLineNo">666</span>        /// Draw N, S, E, W<a name="line.666"></a>
<span class="sourceLineNo">667</span>        innerRadius = radius - 42;<a name="line.667"></a>
<span class="sourceLineNo">668</span>        Font f = getCompassFont(radius);<a name="line.668"></a>
<span class="sourceLineNo">669</span>        g2.setFont(f);<a name="line.669"></a>
<span class="sourceLineNo">670</span>        g2.drawString(localizationResources.getString("N"), midX - 5, midY - innerRadius + f.getSize());<a name="line.670"></a>
<span class="sourceLineNo">671</span>        g2.drawString(localizationResources.getString("S"), midX - 5, midY + innerRadius - 5);<a name="line.671"></a>
<span class="sourceLineNo">672</span>        g2.drawString(localizationResources.getString("W"), midX - innerRadius + 5, midY + 5);<a name="line.672"></a>
<span class="sourceLineNo">673</span>        g2.drawString(localizationResources.getString("E"), midX + innerRadius - f.getSize(), midY + 5);<a name="line.673"></a>
<span class="sourceLineNo">674</span><a name="line.674"></a>
<span class="sourceLineNo">675</span>        // plot the data (unless the dataset is null)...<a name="line.675"></a>
<span class="sourceLineNo">676</span>        y1 = radius / 2;<a name="line.676"></a>
<span class="sourceLineNo">677</span>        x1 = radius / 6;<a name="line.677"></a>
<span class="sourceLineNo">678</span>        Rectangle2D needleArea = new Rectangle2D.Double(<a name="line.678"></a>
<span class="sourceLineNo">679</span>            (midX - x1), (midY - y1), (2 * x1), (2 * y1)<a name="line.679"></a>
<span class="sourceLineNo">680</span>        );<a name="line.680"></a>
<span class="sourceLineNo">681</span>        int x = this.seriesNeedle.length;<a name="line.681"></a>
<span class="sourceLineNo">682</span>        int current = 0;<a name="line.682"></a>
<span class="sourceLineNo">683</span>        double value = 0;<a name="line.683"></a>
<span class="sourceLineNo">684</span>        int i = (this.datasets.length - 1);<a name="line.684"></a>
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<span class="sourceLineNo">687</span><a name="line.687"></a>
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<span class="sourceLineNo">689</span>                value = (data.getValue().doubleValue())<a name="line.689"></a>
<span class="sourceLineNo">690</span>                    % this.revolutionDistance;<a name="line.690"></a>
<span class="sourceLineNo">691</span>                value = value / this.revolutionDistance * 360;<a name="line.691"></a>
<span class="sourceLineNo">692</span>                current = i % x;<a name="line.692"></a>
<span class="sourceLineNo">693</span>                this.seriesNeedle[current].draw(g2, needleArea, value);<a name="line.693"></a>
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<span class="sourceLineNo">696</span><a name="line.696"></a>
<span class="sourceLineNo">697</span>        if (this.drawBorder) {<a name="line.697"></a>
<span class="sourceLineNo">698</span>            drawOutline(g2, area);<a name="line.698"></a>
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<span class="sourceLineNo">700</span><a name="line.700"></a>
<span class="sourceLineNo">701</span>    }<a name="line.701"></a>
<span class="sourceLineNo">702</span><a name="line.702"></a>
<span class="sourceLineNo">703</span>    /**<a name="line.703"></a>
<span class="sourceLineNo">704</span>     * Returns a short string describing the type of plot.<a name="line.704"></a>
<span class="sourceLineNo">705</span>     *<a name="line.705"></a>
<span class="sourceLineNo">706</span>     * @return A string describing the plot.<a name="line.706"></a>
<span class="sourceLineNo">707</span>     */<a name="line.707"></a>
<span class="sourceLineNo">708</span>    public String getPlotType() {<a name="line.708"></a>
<span class="sourceLineNo">709</span>        return localizationResources.getString("Compass_Plot");<a name="line.709"></a>
<span class="sourceLineNo">710</span>    }<a name="line.710"></a>
<span class="sourceLineNo">711</span><a name="line.711"></a>
<span class="sourceLineNo">712</span>    /**<a name="line.712"></a>
<span class="sourceLineNo">713</span>     * Returns the legend items for the plot.  For now, no legend is available<a name="line.713"></a>
<span class="sourceLineNo">714</span>     * - this method returns null.<a name="line.714"></a>
<span class="sourceLineNo">715</span>     *<a name="line.715"></a>
<span class="sourceLineNo">716</span>     * @return The legend items.<a name="line.716"></a>
<span class="sourceLineNo">717</span>     */<a name="line.717"></a>
<span class="sourceLineNo">718</span>    public LegendItemCollection getLegendItems() {<a name="line.718"></a>
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<span class="sourceLineNo">721</span><a name="line.721"></a>
<span class="sourceLineNo">722</span>    /**<a name="line.722"></a>
<span class="sourceLineNo">723</span>     * No zooming is implemented for compass plot, so this method is empty.<a name="line.723"></a>
<span class="sourceLineNo">724</span>     *<a name="line.724"></a>
<span class="sourceLineNo">725</span>     * @param percent  the zoom amount.<a name="line.725"></a>
<span class="sourceLineNo">726</span>     */<a name="line.726"></a>
<span class="sourceLineNo">727</span>    public void zoom(double percent) {<a name="line.727"></a>
<span class="sourceLineNo">728</span>        // no zooming possible<a name="line.728"></a>
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<span class="sourceLineNo">730</span><a name="line.730"></a>
<span class="sourceLineNo">731</span>    /**<a name="line.731"></a>
<span class="sourceLineNo">732</span>     * Returns the font for the compass, adjusted for the size of the plot.<a name="line.732"></a>
<span class="sourceLineNo">733</span>     *<a name="line.733"></a>
<span class="sourceLineNo">734</span>     * @param radius the radius.<a name="line.734"></a>
<span class="sourceLineNo">735</span>     *<a name="line.735"></a>
<span class="sourceLineNo">736</span>     * @return The font.<a name="line.736"></a>
<span class="sourceLineNo">737</span>     */<a name="line.737"></a>
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<span class="sourceLineNo">739</span>        float fontSize = radius / 10.0f;<a name="line.739"></a>
<span class="sourceLineNo">740</span>        if (fontSize &lt; 8) {<a name="line.740"></a>
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<span class="sourceLineNo">743</span>        Font newFont = this.compassFont.deriveFont(fontSize);<a name="line.743"></a>
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<span class="sourceLineNo">746</span><a name="line.746"></a>
<span class="sourceLineNo">747</span>    /**<a name="line.747"></a>
<span class="sourceLineNo">748</span>     * Tests an object for equality with this plot.<a name="line.748"></a>
<span class="sourceLineNo">749</span>     *<a name="line.749"></a>
<span class="sourceLineNo">750</span>     * @param obj  the object (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.750"></a>
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<span class="sourceLineNo">892</span>}<a name="line.892"></a>




























































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